1969020020 has 24 divisors (see below), whose sum is σ = 4510846368. Its totient is φ = 716007200.

The previous prime is 1969020007. The next prime is 1969020043. The reversal of 1969020020 is 200209691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4474826 + ... + 4475265.

It is an arithmetic number, because the mean of its divisors is an integer number (187951932).

Almost surely, 2^1969020020 is an apocalyptic number.

1969020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1969020020 is an abundant number, since it is smaller than the sum of its proper divisors (2541826348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1969020020 is a wasteful number, since it uses less digits than its factorization.

1969020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8950111 (or 8950109 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1969020020 is about 44373.6410496141. The cubic root of 1969020020 is about 1253.3817801994.

The spelling of 1969020020 in words is "one billion, nine hundred sixty-nine million, twenty thousand, twenty".